/Engine/Source/Runtime/Engine/Public/ViewportClient.h
Retrieves the cursor that should be displayed by the OS
the cursor that the OS should display
virtual [EMouseCursor::Type](API\Runtime\ApplicationCore\GenericPlatform\EMouseCursor__Type) GetCursor ( [FViewport](API\Runtime\Engine\FViewport) * Viewport, int32 X, int32 Y )